What Does Niece Mean?

Niece is derived via the Middle English and Old French word, and finally from the Latin word 'neptis'. Niece is the singular form while the plural form is nieces.

Niece is a term that is used in relationships; a daughter of someone's brother  is considered to be a fraternal niece. A daughter of someone's sister  is a sororal niece. And last in terms of relation a daughter of someone's brother-in-law or even a daughter of someone's sister-in-law.